It's doubtful Intel would delay plans too much to work on such subject, and its even more doubtful the result would even be better for anybody: we would have to

It's doubtful Intel would delay plans too much to work on such subject, and its even more doubtful the result would even be better for anybody: we would have to use the old completely unpatched chips for longer... It's better for everybody to have more frequent gradual fixes, even if the firsts are not 100% complete.